Windmill.



W. P. BRETT. WINDMILL. APPLICATION FILED APR. 27, 1904. 1 ,105,020, Patented July 28, 1914.

I 3 SHEETSSHEET 1.

W. P. BRETT. WINDMILL. APPLIGATION FILED 3.21.1904.

1,105,020; Patented July 28, 191 1 3 BHBETS-SHEET 2.

W. P. BRETT.

WINDMILL.

APPLICATION FILED APE. 2'7, 1904.

Patented July 28, 1914.

3 SKEETSSHEET 3.

WILLIAM F. BRETT, OF DECATUR, ILLINOIS.

WINDMILL.

Specification of Letters Patent.

Patented July 28, 1914.

Application filed April 27, 1904. Serial No. 205,208.

To all whom it may concern:

Be it known that I, \VILLIAM P. Been, a citizen of the United States, residing at Decatur, in the county of Macon and State of Illinois, have invented certain new and usethe vertical center line of a vertically apertured pivot portion which constitutes the bearing part. of said turntable and is so designed that the power of the mill may be transmitted therethrough by means of either one of a variety of powergyfansmitting devices whereby the mill is adapted to do various kinds of work; and the objects of my improvements are, first to provide a windmill .of great strength, of light weight. and comprising in its construction speed regulating devices that are adapted to maintain a substantially uniform speed in the rotation of the windwheel during irregular winds and while carrying variable loads that come within its capacity; second to provide means for putting thejans or Sails of the wheel into or out of active position that have no retarding frictional contact with any of the parts-that'rotate with the wheel or its shaft when said fans or sails and the governing devices operative in connection therewith are relieved and in their normal operating condition; third to provide means for the reduction of the friction of the ower transmitting mechanism to a minimum; fourth to so construct the ower transmitting mechanism that while in operation it has, during light winds, no frictional, or retarding abrasive action or any of the devices employed in putting the fans or sails into and out of active position; fifth to provide means by whichthe most important parts of the said govcrning and power transmitting mechanism is autqriiatrcally lubricated and protcctcd by an inclosing incasement; sixth to provide means by which a windmill of the type herein described may have its 011 supplies replenished while the mill is in operation and without the necessity of having to climb the tower; seventh to so construct a windmill that it can be so adjusted as to automatically care for itself in handling work that requires a certain and regular speed for its proper performance, by standa surplus of power over and above that which is barely sutlicient to carry the load; and eighth to provide a windmill embodying in its construction all of the above mentioned features in a harmonious whole such as may be safely allowed to 'do its work and care for itself for months at a time without attention. I attain these objects by means of the novel details in the construction and operatior of the several parts of the mecha nism which will be apparent from the detailed description hereinafter when read in connection with the accompanying drawi gs, forming part thereof, and wherein preferable embodiments of the invention are disclosed for the purpose of illustration.

In the drawings, Figure 1 is a vertical sectional view of a part of a windmill head in line with the center of the wheel shaft, other parts with a portion of the windwheel being shown in elevation; Fig. 2 is a view of a portion of the parts shown in Fig. l as seen when looking in the direction indicated by the arrow 00 in Fig. 1; Fig. 3 is an enlarged sectional view of fan 5 on a line like Ir--k" in Fig. 2 showing a. modified method of securing the fan to the rods 6 and 7; Fig. 4 is an enlarged sectional View of a modified form of a fan on a line like lc-]r in Fig. 2 showing a fiat instead of a curved fan, also showing the position of casting or governor connecting piece 4 relative thereto and the methods of set ring the tan and casting to the rods and. Y; Fig. 5 is a view of the attachment 11 as seen in Fig. 4 in connection with parts adjacent thereto; Fig. (3 is a sectional view on line o- -rl in Fig. 5; Fig. 7 is a sectional view on line 11,-?) in Fig. Fig. 8 is an enlarged sectional view on a line like k-7." in Fig. .2; Fig. 9 is an other sectional view on a line like ic -L" showing another modified form or vmcthod of securing the fans or sails to the rods 6 and 7; Fig. 10 is a sectional view on line s-s in Fig. 4 showing the method of securing the casting 4 to the rods 6 and 7; Fig. 11 is an enlarged detailed view of the spoke attachment 16; Fig. 12 is a side view mg inactive until there is sufficient Wind for,

of the friction or brake wheel 23 which is shown in section in Fig. 1'; Fig. 13 is a vertical sectional view in line with the center of the wheel shaft of a modified form of windmill head with bevel gear power transmis sion; Fig. 14 is an elevation of one of the fan sections and parts adjacent thereto of a modified form of windwheel; Fig. 15 is an enlarged side view of the inner end of fan 63 in Fig. 14; Fig. 3B is a sectional view on line z'i in Fig. 15 Fig. 17 is a vertical sec tional view in line with the wheel shaft of another modified form of windmill head; Fig. 18 is a vertical sectional view on line mm in Fig. 17, looking toward the body part of the windmill head; Fig. 19 is a vertical sectional view on line nn in Fig. 17 showing the hub of the windwheel and the friction or break wheel 23 as seen when looking toward the body part of the incasement; Fig. 20 is an enlarged side view of an oil elevating device and a vertical sectional view through a covered oil receiver which are parts numbered as 40 and 37 in the right hand part of Figs. 17 and 31; Fig. 21 is a view of the oil elevating vessel 40, looking at the side upon which the bracket 44 is at-' tached; Fig. 22 is a View of the shive supporting bracket 49 as seen when looking at it from the direction of the body part of the windmill head; Fig. 23 is a view of a moditied form'of a governing or speed regulating device as would be seen when looking in the direction indicated by the arrow y in Figs. 17 and 24; Fig. 24 is a view through parts of Fig. 23 in line with the center of the wheel shaft 18 showing some parts in section and other parts in elevation; Fig. 25 is a view of a portion of the parts shown in Fig. 23 as seen when looking in the direction indicated by the arrow :10; Fig. 26 shows,

a modification of parts shown in Figs. 23 and 24; Fig. 27 are an enlarged view of the upper end of the lever or mast 71, in Figs. 13 and 31, showing the arm 71 in its normal position relative to the lever or mast 71; Fig. 28 is a view of the interior of the incasement part B of Figs. 13 and '31 showing the preferable form for connecting up the pull out device when the windmill is equipped with the automatic starting and 'stopping device' as is shown in Fig. 31; Fig.

29 IS a view of the leeward side of a section of wheel fans or sails in whlch the spring 51 and the excess of sad surface on one side of the pivot rod 153 constitute the e re speed regulating mechanism of a simplified form of windwheel; Fig. S0 is a like view to Fig.

29 showing the weight 10 attached to the k inner portion of the fan section as an auxiliary speed regulating clement and Fig. 31 is a side view of the modified form of Windmill head shown in section in Figs. 13 and 28, with parts broken. away, and embodying in operative form t wheel and governing comprises the pivot portions D and D the body portion A and the cover portions B and B as seen in Figs. 1, 13, 17 and 18 and is adapted to inclose the main frictional parts of the windmill head and the oil reser voirs from which they are lubricated; referring to Fig. 1 the wheel shaft 19 is tubular and carries within it the solid shaft 18 to which at its inner end the friction or brake wheel 230 is rigidly secured, this brake wheel is provided with the slot 29 through which the boss or projection 24 of the crank disk 22 is adapted to project so as to form a suitable anchorage for the wristpin 25, the slot 29 is of such length and form as to permit the brake wheel 23 to oscillate or rock to the extent of near one sixth of a revolution independent of the crank disk, the metal at the ends of the slot striking the projection 24 terminates the movement in either direction, and to the outer end of the shaft 18 the sleeve 1 is rigidly secure'd, this sleeve is preferably counter bored so as to slide with an easy working fit over the outer end of the wheel shaft 19 so as to abut with an easy workin fit a ainst the adjacent end of the wheel hu G, t 6 end of the sleeve adjacent to the wheel hub being provided with the radial arms 2 as shown in Figs. 1 and 2, to the extremities of which one end of the connecting rods'3 is attached, the other ends being attached to the casting 4 of the several fan sections somewhat as shown in Figs. 1, 2

and 10 the casting 4 bein secured to the binding wires or rods 6 an 7 of the fan sections; each fan section may comprise any desired number of fans but for convenience only three fans'(5, 5' and 5") are'shown as seen in Figs. 1 and 2, the fans of each section being rigidly bound together, preferably, by three or four wires but a greater number may be used to advantage in the larger sizes of wheels, the manner of securing these binding rods or wires to the fans is substantially as shown in Figs. 1, 2 and 8 in which the wires are shown as being passed through holes near the edge portions of the fans, the holes being shown as-havin been made with a sharp pointed punch which removes n0 metal but forces the metal out into an annular flange as shown in Fig. 8, in Fig. 9 the wires are shown resting in a crilnped portion of the outer edges of the fans, and in both Figs. 8 and 9 the wires are either brazed or welded direct to the fans; Figs. 3, 4, 5 and 6 show other modified methods of securing the wires to the fans in which the wires are brazed or welded to the clips or attachxfnents 11 and 12 which are riveted to the ans.

The fans or sails of the several sections of the windwheel are so apertured as to permit the pivot rods 13 to extend through the sails of the respective sections near the center of gravity of the sections so as to facilitate the action of the governor in regulating'the speed of the Wheel and the putting of the mill into and out of service. The rods 13 also serve as tension rods extending from one to the other of the outer ends of the spokes giving rigidity to the spider or frame of the wheel, and are preferably secured to the spokes substantially as shown in Figs. 1, 11 and 30 with screw nuts as adjustment means for giving the proper tension to the re s.

The outside fans or sails of each section are preferably provided with flanged sleeves as shown at 13 and 13 iii Figs. 1, 2 and 3 which serve as bearings for the fa sections and provide a convenient and S11 stantial means against which to adjust the collars 50 for securing the sections in their proper place on the rod 13, referring to Fig. 11. it is readily seen that the rod 13 may be either removed or replaced by removing the'nuts at the ends and drawing the rod out or inserting it inthe dii :ction indicated by the broken lines, and;that when all of the rods are in place by tightening the nuts any desired amount of tension may be given them so-that a very light rod will serve the purpose, and that the extra tension gives extra tension and rigidity to all parts of the wheel, the spokes-17 and 17 are preferably made of light tubular steel and the clips or attachments 16' are provided with a socket which fits upon the ends of the spokes.

The casting 4 (see Figs. 4 and 10) is secured near the center of the fan sections to the binding 'rods 6 and 7 and the pivotal portion of the arm to which the end of the governing rod 3 is attached is of such .dis-

'tance from the pivotal rod 13 that when the brake wheel 23. is rocked from one extreme or' its range of action to the other, relative to the crank disk 22, the arm 2 of sleeve 1 will have a range of action just sufficient to cause the rod3 to throw the fan sections full out of the wind as seen in Fig. 1 at one limit of its rangeof action and vfull in the wind as seen in Fig. 2 at the other limit of its range of action; the springbl is secured at one end to the adjustable clip 52 on spoke 17 and to the arm 2 of sleeve lat the other end and hassufiicient tension and strength to hold the fan sections full in the wind at the spccd at which it is desired to have. the wheel run until there is sufiicient wind to cause the wheel to exceed the desired speed when by reason of the greater amount of fan surface on the outside of the pivotal center lines of the fan sections the force of the wind will overcome the tension of the spring 5] "ad cause a tilting of the fan sections toward the position shown in Fig. 1, the amount'of the inclination of the fans, from the plane of the wheel rim depending upon the relafpln between the excess of wind pressure or! outer portion of the fans and the str, th of the spring 51. This spring is desigll d to be surfaces so proportioned that during astorm that would damage the wheel the spring tenof .such strength and the outer and inner fan sion will be overcome to such an extent that the fans will be thrown nearly or entirely out of the wind and held in that position while the heavy wind lasts; 27 is a pull out wire 01' cord, attached atits upper end to the brake lever 231 which is pivotally secured to the inside of the incasement part B, 251 is a brake shoe secured to lever 231 and is adapted to bear upon the brake wheel 23 when the lever 231 is dpawn downwardly by the cord 27 which is adapted to extend operatively to a convenient -position for the purpose, 241 is a spring adapted to normally hold lever 23' so that the shoe 25 does not contact with the wheel 23; when it is desired to throw the fans out of the wind the cord 27-is drawn downward until the brake shoe binds firmly upon the wheel 23 and is secured in that osition holding wheel 23 against rotation w ich through the me dium of the shaft 18 also holds the-sleeve 1 and arms 2 against rotation and as the windwheel' is caused to rotate by the force of the wind against the fans the fans will be drawn the tension of the spring 51, and when there.

is sutficient wind to do that there is such an{ abundance of power available that the friction of the governing mechanism is negli- I ble; the working bearings of the governing mechanism and the wheel that cannot be reached by'the automatic. lubricating 'mechanism within the incasement are designed to be extra large and made with an easy work-.

ing fit so that the wear and friction of these parts is negligible, in the construction herevin shown, without the use of any lubricant after the first oiling given when the mill is first set up. The sleeve 1 is preferably lined with some kind of antifriction metal where it bears on shatt 19.

As an auxiliary governing device and a more accurate speed regulator the sleeve 1 is provided with the two backwardly inclined and oppositely extending arms 1 and 1" to which the sails or fans 2 and 2 are adapted to be adjustably secured near their outer ends so that the speed of the wheel will be limited by the resistance of the air against the fans 2, the resistance of the air against these fans acting in conjunction with the force of the wind against the excessive fan surface outside of the pivotal line of the fan sections makes a very positive and sensi-' tive governing force and by making the fans 2 of metal and rightly proportionin'g their weight their momentum and inertia acting in unison with the force of the wind and the resistance of the air as above described makes more accurate the speed regulating powers of the governing mechanism, by reason of the momentumcarrying forward the sleeve 1 when by excessive load or less wind the wheel is suddenly retarded in its motion, thus instantly throwing the fans fuller into the wind just at the beginning of the retard ing motion, and by reason of the inertia when by an exceedingly strong gust of wind the wheel starts forward with accelerated motion the lagging of the sleeve 1 will instantly act to pull the fans out of the wind immediately upon the increased force of thewind striking the fans of the wheel; in Fig. 17, 18 and 19 is shown a modified pull out or stopping mechanism by means of which the same construction of wheel and governing mechanism is made practical and operative in connection with a solid wheel shaft instead of the tubular shaft 19 shown in Fig. 1. In this construction the brake wheel 23 is mounted with a loose rotatable fit upon the wheel shaft 18 between the wheel hub C and he end of the main wheel shaft bearing and is rigidly fixed to and at such a distance from the arms 2 of the sleeve 1 by means of the connecting bars .or rods 32 that the wind wheel hub C stands between the full in or full out of the wind as described in connection with l 1 and 2: the le er 23 in Fig. 17, which COITCSpOi'H'lS to 231 in Fig. l in its operation, is preferably two part bifurcated bell crank lever fnlcrun. it to the lower part of the bracket 33 in Figs. 17, 1S and ill; from its fulcri the lower part of the bracket 33 the ever 23' extends upwardly upon each side of and unites above-the main bearing of the shaft 18 and is provided at its upper portion with means for the attachment of the pull out bar or rod 27 as shown in Fig. 17 which is adapted to pass outwardly with an easy sliding fit through the sleeve portion 31 of the incasement part B and connect to the upper end of lever 23 and to connect at its In this construction of windmill the wheel and governing mechanism serve the purpose of the usual steering vane, and as the wheel is placed at a considerabledistance to one side of the supporting bearing at the top of the tower and has no steering vane to balance it this necessitates't-he use of a balance weight as 48 in Fig. 17 which is supported to the windward of the 'wheekby the braces.48 and 48".

The main frame of the windmill comprises a lateral -extension' ,'53 (see Fig. 17) which constitutes the' bearing for the wheel shaft and is provided with the supply oil duct 54 and the return duct 55, 28 is an endless chain adapted to ride uponthe fcrank disk and to extend to the bottom of the oil reservoir 36 so as, to elevate oil onto the crank disk 9.2 from which a portion of it will flow into the oil duct 54 and lubricate the wheel shaft and what flows down on the side next to the pitman 26 will lubricate the pitman bearings.

In the upper portion of the tower cap D there is formed the annular oil reservoir 56 into which the downwardly projecting annular flange 39 of the pivot portion D projects and constitutes the main supporting hearing of the turntable, and the down wardly projecting annular flange 35 of the part D overhangsand protects the reservoir 56 from snow and rain; the pipe 36 I extends from within the reservoir 36 into the rcservoir56 and serves as an overflow from 36" and as a means for replenishing the supply of oil in reservoir 56; 37 (see Figs. 17 and 20) is a covered oil receiver and 37 is an oil conveying tube leading'from the receiver 37 into the reservoir 36', 10 seen in Figs. 17, 20 and 21 is an oil elevating can or vessel and is suspended from shives -17 (see Figs. 17 and 22) by means of cords 1 5 and -15 which are attached to the bail 42 substantially as shown in Figs. 20 and 21 and a re made to pass over shives 47 from the side next to the oil receiver 37 andare attached at their other ends to the opposite ends of the cross bar 46 (see Figs. 17 and 22) and are of such length that when the bar is up against the. shives as shown in Fig. 2:! the vessel 40 will swing at a convenient distance above the ground so as to be readily filled and operated therefrom, the cord 45 is to be a convenient amount longer than 45 and 45" and is attached at one end to the eye 44 at the lower part of the vessel 40 and at the other end to the loop at the center of the cross bar 46; the oil receiver 37 is rigidly suspended, so that the tube 37 inclines downwardly to the reserv ir 36, and s covered with the pivoted lid as which is pro-- vided with the hook portion 38 substantially as shown in l igs. 17 and 20 so that when the oil vessel is drawn up it will approach the hook 38 substantially as shown in the relative positions of these parts in Fig. 20 so that the wire loop 41 is readily caused to engage the hook 38", when the loop engages the hook suflicient tension should he given cord to hold the vessel in its upright position until the lid of the receiver has been raised to the position shown in Fig. 17 when an excess of pull is given on the cords 45' and 4.3" which throws the vessel to the position shown in Fig. 17 as to cause the discharge of its contents into the receiver from which it flows through the tube 37 and is utilized to lubricate the ditl'erent parts of-the Windmill as above described, thus it is seen that all of the principal bearings 01? the windmill head are 2111- tomatically lubricated during their opera-'j tion from lubricant carried in reservoirs that i are inclosed and that the supply of oil in the reservoirs can be replenished at any time during the operation of the windmill without the necessity of either tilting or climbing l the tower tor the purpose. After the oil has been discharged from the vessel it is lowered until the cross bar 4? is drawn up to the position shown in Figs. 22 and 31 and to main tain the cords in a vertical position and prevent. their being blown. against the tower a suitable weight as 47 may be suspended 1 to the lower portion which will serve the} purpose and leave them free to swing around the tower as the windmill head turns in response to the changing directions cf the:

the other to an outer rim of the wheel, the 1 details oi both the inner and outer bearings 1 are shown in F l? and 1G in which (135 and o l are separate parts of the fan which are held together by the cross bar or strap when the fans or stud (34" rigidly thereto, which is adapted to pivot in a hole through the rim of the wheel, and with the eye or loop 64 at one end to which the connecting rods 62 are adapted to have a working engagement, the rods (32 are of such length that when the fan 63 stands in its inactive position the fans (33 and 63" are also held thereby in their inactive positions; 63 the Center one of the fans of the section is provided at its inner end with the loop or eye Gal to which one end of the rod 3 is connected the other end being connected to the arm 2 of the governor, thus it is readily seen that the same governing devices that are shown in counection with the ditl'erent modifications of this invention are equally applicable and ellective in connection with the radially pivted wheel fans.

Figs. it, ill and 25 illustrate another modified form of governing or speed regulating device in which the arms 1 and the hub or sleeve 1 (which correspond to the parts of the same members in Figs. 1, 9 at 17) are made rigid with the wheel shaft 18 and are adapted to rotate in unison with the windwheel and not to oscillate independent thereof as does the device shown in Figs. 1, 2 and 17; in this form of governor the arms 1 are provided near their outer end portions with the pivoted arms 57 which also comprise the extension 59- the arms 57 are adapted to carry at their outer extremities the fans 2 and to the other ends of arms 57 the spring 59 is attached in such manner as to normally hold the end 59' against the stop .78 so that the fans 2 are held in such position that during their rotation they pass through the air edgewise thus otl'cring substantially no resistance to the motion of the windwheel during light winds: 57 are adjustable governor weights adapted to be rigidly attached at any desired position on arms 57, and 57' are adjustable clips secured to arms 57 and are adapted to a pivotal engagement with one end of the connecting rods 15" which are adapted to he piwially connected at their other ends to the radial arms of the governor mechanism near the hub of the windwheel, which mechanism is substantially the same as shown and described in connection with Fig. 17, the rods 3 being of such length that '2' stand in the positions shown in solid lines in Fig. 23 the rods 3 will be caused to hold the wheel tans full in the wind or their most active position; in

1 operation the governor and windwheel r0- tate in the direction indicated by the arrows w" and as the speed of the wheel increases the weights i-T" by centrifugal force tend to swing out to the position shown in broken 1 lines and in doing so they carry the fans 2 iii, which is provided near its central por-- n n with means for securing the pivot rod outward causing them to present an increasing surface area against which the resist ance of the air acts with an increasing leverage, as they swing outward, in unison with the centrifugal force of the weights 57" as a governing force, so that when the arms 57 once start to swing outward it requires but a very slight increase of speed of the wheel to cause a turning of the wheel fans to near their inactive position as shown in Figs. 1 and 14.

Fig. 26 illustrates a modified form of the central portion of the speed regulating device shown in Figs=23 and 24 in which the arms 1 and the sleeve or hub portion 1 to which they are rigidly attached are so mounted as to be adapted to oscillate inde pendently of both the hub of the windwheel and the parts of the governing device that are made rigid with the radial arms 53; in this modifiation of the central parts of this governor the key 72, see Figs. and 24 is dispensed with and the part 1 which carries the arms 1 is left free to oscillate upon the shaft 18 said shaft being extended sufliciently beyond the part 1 to carry the dog or stop device 60 as shown in Fig. 26 which is rigidly secured to the shaft. and the stop portions 3" are made to stand in the posi tions indicated by the broken lines at 3" in Fig. 23 and the solid lines in Fig. 26 relative to the arms 1" when the wheel is standing with the fans in active position or when it is revolving with not sufficient speed to cause the governor to act; this position of the arms 1 relative to the stops 3 holds the wheel fans full in the wind and the governor fans 2 in their inactive position as the fans 2' have a curvature that coincides with the curvature of the circle described by them as they revolve in this position; and the purpose of this modification is to utilize the momentum and inertia of the governor parts as governing forces which in this construction acts at all times in unison with and augments the other fort-s as described above. which causes a more positive and commensurate response to the demands resulting from a changeable wind or varying load. and as this governor has considerable weight the inertia acts:.prior to the other forces when the mill is starting and prevents speeding of the wheel when it is suddenly thrown into action, causing it to speed up slowly in a heavy wind.

Referring again to Figs. 1 and 17 as a construction for a cheap windmill the governor arms 1" and fans carried thereby may be dispensed with entirely in windmills for work that does not require a regular speed. producing a wheel and speed regulating mechanism therefor which is made up of sections of fans or sails and connecting parts somewhat as shown by the illustration of a fan section in Fig. 29 which depends entirely upon the spring 51 and the excess sail surface on one side of the pivot rod 13 for controlling the speed of the wheel; and Fig. 30 illustrates a cheap and simple but somewhat more efiicient speed regulator which is produced by simply attaching the weight 10 to the inner portion of each of the sections of fans in the wheel as is otherwise shown in Fig. 29. But for special work that requires a certain speed and close regulation the special form of automatic starting and stopping and pull out device shown iIrFigs. 13, 27, 28 and 31 is provided and is so designed as to be operative, by means of slight modifications in connecting parts, in connection with any of the speed regulating devices herein described; in these fig ures the main frame or turntable is represented as comprising incasement parts, oil supplying devices and oil reservoirs which are similar to the corresponding parts described in connection with Figs. 1 and 17 and are marked by the same numbers so far as the corresponding parts go,but the inc-asement parts A and B are modified in form to meet the requirements of a geared or power mill as is shown in section in Figs. 13 and in which 67 is the driving gear which is rigidly secured to the solid wheel shaft 18, and G7 is a smaller driven gear which is rigidly secured to the upper end of. the vertical tubular shaft E; the shaft E extends downwardly in the tower and has a bearing in the beam 68 and carries the gear 68' which is in mesh with the gear (38" which drives the vertical shaft 69 which is designed to extend to and to actuate mechanism therebelow; thus providing an open space through the power shaft E through which the pull out cord 27 may operate without contact with any of the moving parts of the power-transmitting mechanism. An integral part 78 of the incasement part A projects upwardly and surrounds and is concentric with the tubular shaft E at its upper portion and is designed not to contact therewith the shaft being rigidly fixed in the gear 67' which is especially designed to encompass and have a close working fit upon the said upwardly projecting integral part of the incasement that the frictional part thereof will be submerged in the oil in the reservoir 36"; and when the gear 67 is secured to a solid wheel shaft as is shown in Fig. 31 wherein the geared mill is illustrated as being governed by the speed regulating mechanism shown in connection with Figs. 1 and 17 and the pull out mechanism shown in Figs. 13 and 28.

The pull out mechanism shown in Figs. 13, 27 and 28 comprises the cord or wire 27, the two hell-crank levers 66- and 66", the connecting rod 27' shown in use in Fig. 28 and the rod 27" shown in use in Fig. 13; this device is to be connected up as shown in Fig. 13 when it desired to use the mill art A so wheel 2-3 and hold it. against roam! for special work requiring the use of the l automatic starting and stopp1n; device at l times and at other times when it is desired to use the windmill without the automatic starting and stop ing mechanism when it will be held out 0 service by drawing down the cord 27 and securing it so that the wheel l sails will normally stand full in the wind so as to utilize all of the availahle t'oreel thereof on light Work that does not require 1 a regular motion; and when it desired to l run the mill exclusively on special workl that requires a regular motion and to put the sails out of the wind when not on such 1 work the rod 27' is to be connected as shown t in Figs. 28 and 31 wherein the lever titl inl stead of (56 is caused to actuate the b'alre l 23 in the opposite direction to that caused by the lever 66" so that when the cord 27 l is drawn down with this com'iection made the brake is set and the windmill caused to i go out of action and remain so until thcl cord is released when the automatic start l ing and stopping device will be free again to utilize such winds as will give the rel quired speed for the work to be done. the governor and controller mechanism having been previously adjusted accordingly The automatic starting and stopping i mechanism comprises the mast 71 which is,

preferably dctachahly, secured to the brake lever :23 and is provided at its upper portion with, the casing 75 to which the arm 71 is pivoted somewhat as shown in Fig. 27 which shows this .trm in its normal position relivtive to the mast T1 and in Fig. 31 wherein it l is showi in the pos tion to which it will he l thrown lvhen actuated by the wind force to which it has been adjusted, and 72 which a sail carried by arm 71. and as shown in solid lines in Fig. 31 stands broad ".de tol the wind but, as shown in broken lineands inclined to the windward in whi h position l it presents less resisting surface to the wind. l this failure of the automatic starting andl stopping mechanism in: kcs it, necessary to l have a stronger wind to start tho sail from 1 its normal position than it does to hold it in i it upright position which is a construction which acts in harmony with the natural conditions under whi h a windmill worlee as it l requires a stronger wind to start the mill l under full load than it does to lceep it movl inn after heing tail-l started, and the spring 72' is of such strength that when. the wind l has receded to that stage at which the work l will not be properly done it will dlllUlllfltll cally throw the arm Tl. and sail T1! to the l position shown by the lll'illi't"! linc Q and. in I this position the reduced wind pres ure on l the sail 7'12 such that the spring 1t will I actuate; the brake lever :53 and throw the; mast 71 to the position shown by the hrol line Q, and set the hralio "25 on the i shaft. a vindwhcel provided with pivotallv t mounted tan n1 sails, a governor device in opcratne ctmnccti u with the said fans or iitltl and tzjst'llltlittllilliy mounted relative. to

extent, that with the motion oi the wheel and wind for e then prevailing the sails of the windwhecl will be immediately turned entirely out, of the wind and the wheel held against, rotatable and oscillatory movement on its axis until there is again sutl'icient wind force to throw the sail T2 to its upright position which is ample to properly operate the windmill with its attar ed load.

ll the use of the two hell-crank levers t t) and (3(3" this modified form of windmill is more perfectly adapted to he used on either the special work of the nature just dcs rilwd. or on any oi the ordinary lillltlr; of work to which a windmill may be adapted to a complish. and when it is desired to lit the mill for eneral use it is only necessary to disconnect the rod 27 and replace it by the longer rod '27 which is to be attached to the lever (56 as shown in Fig. 2h instead of to the lever till", and then to unhook the lower end ol spring 24' from the bracket it and swing: it up and hook it" in the eye there allow so that the spring; acts the same as shown at 24 in Fig. l7. and after these two sliglr t changes have heen made the windmill will normally stand with the sails full in their active position instead of in their inactive position as before the changes were made: the arm 71 and tan "'2 may be removed or not as desired as they do hot affect the work of the wheel or the governor when the mill is equipped for ordinary work. \l'ith the mill equipped for automatic starting and stoppingwith the spring 24' hooked to bracket ti t and the rod 27 attached to lever t'vtl" as shown in Fig. 13 the mill may he innnediately put in condition for running on ord nary work try simply drawing down the pull out cord 27 so as to oven come the tension of spring 2i and securing! it in that. position but generally it. is more I desirahlc to use this operation of the pull out, cord to hold the sails in an ina tive position. hence the employment of the two levers instead of one.

Having thu described the invention. what I. claim as new and desire to-secure by Letters Patent, is-- I l The combination, in a windmill. of a rotatable huh portion, with spokes radiating from said hub portion. tension rods Lkttlltl mg trout one to the. other of said spokes. a sail portion for each of said tension rods, and a tubular pivot portion vfor each of the said sail portions whereby said sail portions are adapted to oscillate upon said tension rods for the purpose set. forth.

in a windmill. in mimihination, a wheel loraltt' member in wi h the sold derive,

governor fans adapted to actuate said device in one direction and a spring adapted to actuate the said device in the opposite direction, and means adapted to operate in connection with the said brake member whereby the said device may be held against rotation.

3. The combination, in a Windmill. of a v. heel carrying sails which are adapted to be turned to and from active and inactive positions, with mechanism adapted to normally hold said sails in their inactive position and to governingly actuate the. said sails during the operation of said wheel, and a controller or starting device which is adapted in connection with a predetermined force or velocity of Wind to cause the said sails to be turned tottheir active position.

t. The combination, in a windmill, of a wheel carrying a sail portion that is adapted to be turned to and from active and inactive positions, with mechanism which is adapted to normally hold, said sail portion in its inactive position, and a controller device which is adapted in connection with a predetermined force or velocity of wind to cause the said sail portion to take an active position.

In combination. a main frai'ne, a rotatable shaft, a windwheel provided with pivotally mounted sails, a governor member provided with outwardly extending arms carrying air resistible fans and so monnted as to be adapted to rotate with and to oscillate independent of the said rotatable shaft. a brake wheel mounted in rigid conportion with said governing member, sail c ntrolling rods in operative connection with the said governing member and said pivotally mounted sails, and means for holding the said brake member against rotation.

(I. In combination. a main frame. a rotatable shaft, a'WindWheel provided with pivoially mounted sails, a governing deviceadapted to rotate with and to oscillate independent of said. rotatable shaft and carrying air resistable governor fans. means in operative connection with the said device and wheel sails for tilting or oscillating the said sails. and means wherebv the said governor device may be held against rotation.

7. ln combination a main frame. a rotatable shaft. :1 windvvhcel. a governing devi e adapted to rotate with and to oscillate independent of the said rotatable shaft, fan or sail sections opcrativelv n'ionnted each constituting a part of the said \vindwheel and all adapted to be actuated bv the said groverning device, a brake member adapted to rotate and to oscillate substantiallv in unison with the said device, and means normally held out of contact with but adapted be so applied as to hold the said brake member against rotation.

S. In a Windmill, in combination, a main frame. a windwheel rotatably mounted and carried by said main tran'ie. fan or sail sections each coinprisingtwo or more fansor sails and all together comprising the sail portion of said windwhecl, a governing device r0- tatable with said windwhecl. stav rods or wires extending from one to the other near the edge portions of the fans of each of said fan sections at widely separated points and rigidly secured thereto. and a connecting rod for each of said tan sections in operalive connection therewith and with the said governing dc ice.

9. In a windmill, in combination, a main frame, a windwheel rotatably mounted and carried by the said main frame. fan sections operatively mounted each comprising a plurality of fans and all together composing the sail portion of the said windwheel. spaced binding or stay rods or Wires disposed near the opposite edge portions of and rigidly binding together the fans of each section. and means for anton'niticallv l-HIII' in; the sail surfaces of the said fan sections to or from the Wind.

10. In a windmill. in coinl'iination. a main frame. a windwhccl rotatablv mounted and carried by said main frame. fan sections operativcl nn'hintcd and conn'irisingr the sail surface of the, said \vindn'lzcel. a governing device (arrno governingfans and adapted to rotate with and to oscillate independent of the said \vindnheel, connecting rods opcraiivclv attached to the said device and tan se ti ns. a bralce member in operative connection with the said governing device, and means whereby the said brake member may he held against rotation.

11. In a windmill. in combination. a main frame. a windvvhcel rotatabl'v mounted and provided with pivota lv monnted' fans or sails. a governor part that adapted to rotate with and to oscillate indcpendein t of the frame or skeleton part of the said Windwheel. a yielding: connecting part in operativc connection with the said frame or sheleton part of said windwhcel and the said governor part. governor fans so mounted in connect ion with the said governor part that the resistan e of the air thereagainst and the nnnncntnin and inertia th reof are utilized in ,q vci'nfn z forces. and fan or sail actnat ire parts in operative connection with the said governor part and pivotallv mounted or ii. in a windmill. in combination, a main frame or turntable compris ng: a Weather proof incascmcnt for the frictional parts of the main power transmittine elements of the windmill hu-ad. a vertically apertured pivot portion bfv means adapted to operate about a vertical axis, a vertically arranged rotatable shaft adapted to operate through the vertical aperture of said pivot portion, an upwardly extending of which said turntable is compassingsaid vertical aperture. and a power transmitting element journaled on the said annular flange and adapted to actuate said rotatable shalt for the purpose set iorlih.

1 5. in a windmill, in combinatirm, a windwheel, pivotally mounted parts composing the Mlll p rtions of said windwheel, a gov ernor part operatirely mounted adjacent to the hub portion of said windwheel. actuating bars or rods in connection with the said pivotally mounted parts and governor part, opposiiely extending: arms which are'adapb ed to rotate with said governor part. and agoverning nunnlm: secured to each of. said arms and adapted during the operation of the windwheel to cause the said arms and governor part to overningly actuate the said pivotally ineunted parts.

ll. The combination. in a windmill. of a rotatable motor part comprising the hub and spokes of a windwheel. with iuotor sails carried by said spokes and adapted For active and inartiw positions. a governor device adapted to rotate with and to oscillate in dependent of said'rotatahle motor part. air resistalile governor sails carried ov said device and so mounted as to stand at all times with one edge to the wiiulward, connecting means whereby said. air re'sistable sails and governor device may so actuate said motor saids as to'rl "nlate the speed of said windwheel. L'Ulllili'llllflfl or stopping mechanism which has no frictional contact with either said windwheel or governor device except when appiied to pot. or hold said windwheel out of action, and means for operating or applying the said controlling or stopping mechanism so to put the said windwheel out of action.

15. In COHlbll'lfltlOll, a windwheel comprising a plurality of pivotally mounted sails and adapted to rotate about a horizontally disposed axis, and a governor comprising an air resistible sail portion which is adapt ed to governingly actuate said pivotally mounted sails during the operation of the said \vindwheel, the plane of the said air resistible sail portions being at all times sub stantially at right angle to the plane in which the said windwheel moves in its ro tation about said horizontally disposed axis.

16. The combination, in a Windmill, of a windwheel carrying a plurality of oscillatory sail'portions and adapted to rotate about a horizontal axis,with a governor'sail portion which is adapted to rotate with said i windwheel and to operate with the sail surface thereof substantially at right angle to the plane in which saidwindwheel moves during its rotation about said horizontal axis, and means whereby the said governor sail portion may governingly actuate said oscillatory sail portions during the rota- 1 l tion of the said \vindwheel about said axis. 17. The combination, 1n1a windmill, of a windwheel comprising pivotally mounted sail portions, with a governor part comprising arms or spokes for, carrying governor sails and adapted to r0 ate with and to oscillate independent of aid windwheel, the said governor sails, a d a connecting bar for each of said pivot-( l ly mounted sail portions which is pivotally secured to and extends tangentially from slaid governor part near the axis of said windwheel whereby the said sail portions are actuated during the operation of the \vindviheel.

18. The coniliiination, in a windmill, of a windwheel carrying oscillatory sail portions and adapted to rotate about a horizontal axis, a governor sail portion adapted to rotate with and to oscillate independent of said windwheel and to at all times he so positioned that the sail surface thereof is substantially at right angle to the plane in which said windwheel moves in its rotation about said horizontal axis, connecting means between said governor and oscillatory sail portions, and means whereby the resistance of the air against and the momentum and inertia of the said 'governor sail portion may be caused to act'in unison as governing forces for governingly actuating the said oscillatory sail portions during the rotation of the said windwhecl.

19. In combinatiorna main framemwimiwheel rciatably mounted and carried by said ma n frame, fans operatively mounted and composing the sail portions ofsaid Windwheel, a governor .device adapted to rotatewith and to oscillate independent of the central portion of the said Windwheel, fan actuating bars or rods in operative connection with the said device and fans, governor ceights and fans operatively mounted and carried by said sail portions and device respectively and adapted to rotate and'to oscillate therewith, means whereby the sail surfaces of the said windwheel fans are normally but yieldingly held to the wind, and manual means whereby the said sail portions may be caused to take inactive positions,

20. The, combination, in a windmill, of a sail section comprising a plurality of sails united in a rigid'structure, with a tubular pivot portion fixed to said sail section, a

pivotrod extending through said-tubular portion, and sail section retainers against which the and parts of said tubular portion are adapted to abut.

21. Ina windmill, in combination, a main frame, a windwheel carried by said frame, pivotally mounted fans composing the sail portions of said windwheel, a brake member, a governor part in operative connection with said member and. fans,a brake adapted to'normally hold said brake member against rotation, and automatic means adapted to be so actuated by a predetermined velocity or force of wind as to.cause the release of the said brake member.

22. The combination, in a windmill, of a main frame, with a windwheel carried by said frame, pivotally mounted fans composing the sail portions of said windwheel, a brake member, a governor part in operative connection with said member and fans, a brake lever, a spring adapted to normally cause said lever to hold said member against rotation, an arm portion in operative connection with said brake lever and normall inclined to the windward, and a fan or sail portion carried near the free end of said arm portion.

23. In a windmill, in combination, a main frame, with a windwheel operatively mounted and carried by said frame, pivotally mounted fans composing the sail portions of said \vindwheel, a brake member, a governor part in operative connection with said member and fans, a brake lever, a spring adapted normally to cause said lever to hold said member against rotation, an extended arm operatively attached to said lever, and a sail or fan carried at the outer portion of said arm.

24. In a windmill, in combination, a main frame or turntable mounted to rotate about a vertical axisfa windwheel carried by said main frame, pivotally mounted fan sections composing the sail portions of said wind wheel, governing mechanism adapted to control said fan sections, and means whereby said governing mechanism and fan sections may be automatically held in an inactive position until a predetermined velocity or force of wind causes the release thereof.

25. In a windmill, in combination, a main frame or turntablefa windwheel carried by said main frame, governing mechanism adapted to control the speed of the said windwheel, a lever and means in connection therewith for normally holding said governing mechanism and windwheel against rotation, and a sail or fan carried by said lever. v

26. In a windmill, in combination, a main frame or turntable, a windwheel, governing mechanism adapted to control said wind wheel, a lever and means in connection therewith for holding said mechanism and windwheel against rotation, and a sail or fan adjustably secured and carried by said lever for the purpose set forth.

27. In a windmill, in combination, a windwheel carrying oscillatory sail portions, governor sails adapted to rotate with said windwheel and to continuously maintain a position substantially edgewise to the Wind, and means whereby said governor sails are adapted to automatically actuate said oscillatory sail portions during the rotation of the said windwheel.

28. In a windmill, in combination, a main frame or turntable, a windwheel carried by said main frame, fans pivotally mounted and composing the sail portions of the said windwheel, a governor device adapted to rotate with and to oscillate independent of the central portion of said windwheel, actuating bars or rods in operative connection with the said device and fans, governor fans carried by said device and adapted to rotate and to oscillate therewith, and means where.- by the sail surfaces of the said sail portions are normally but yieldingly held to the wind. I

29. In a windmill, in combination, a windwheel, a sail section comprising a, plurality of sails united in a rigid structure and adapted to oscillate on a pivot rod, a tubular pivot portion, and adjustable retainers fixed upon said rod adjacent to. the opposite end parts of said pivot portion.

30. The combination, in a windmill, of a main frame or turntable comprising an incasement portion and a vertically apertured pivot portiomwith a'rotatable motor part, a rotata le shaft vertically arranged and adapted "to operate through said pivot portion durin the operation of said turntable, means wit in the. said incasement whereby said motor part is adapted to actuate said rotatable shaft, and means whereby lubricant may be stored and automatically used repeatedly in lubricating the frictional parts of said motor part and the said shaft actuating means.

31. In a windmill, in combination, a main frame or turntable comprising an incasement portion and a vertically apertured pivot portion by means of which it is adapted to rotate or oscillate about a vertical axis, an oil reservoir within said incasement, a vertically apertured bearing portion within said reservoir above and in alinement with the axis of said pivot portion, a vertical shaft extending from below through'said ivot and bearing portions to the interior of said incasement, a gear rotatably mounted on said bearing portion and adapted to actuate said vertical shaft, and a rotatableimotor art carried by said turntable part lly wit in said inand adapted to operate in contact with the lubricant contained in said reservoir.

33. In a windinill, in combination, a windwheel provided with sailsv adapted for active and inactive positions, governing mechanism adapted to rotate with and to oscillate inde- V pendent of said windwhee'l and to automatically turn said sails from their inactive and hold them in their active positions, a controller device adapted to normally hold said governing mechanism against rotation, and wind actuated means whereby a predetermined force or velocity of wind will free 'said governing mechanism from the holding effect of the said controller device.

34. In a windmill, in combination, a sail section comprising a plurality of sails having a series of pivotal apertures extending in alinement through all of the said sails, an apertured pivot portion secured to the said sail section with the aperture thereof in alinement with the said pivotal apertures, and a pivot rod extending through the apertures of the said sail section and pivot portion.

35. In a windmill, in combination, a rotatable shaft, spokes radiating from said shaft, a series of straight rods connecting the extremities of said spokes, means whereby any desired tension may be 'ven to said rods, a plurality of sections o fans, apertures in alinement through all of the fans in each section whereby each of the said sections is adapted to be pivotally mounted upon one of said rods, and governing mechanism adapted to goverhingly actuate the said fan sections during the operation ofthe windmill.

36. In a windmill, in combination, a sail section pivotally mounted and comprising a plurality of sails radiating from a common center, pairs of binding wires or rods each of which is secured to all of said sails, the rods of each pair being secured to all of said sails and substantially equidistant from said common center.

37. In a windmill, in combination, a windwheel comprising a plurality of pivotally mounted sail sections, a plurality of sails and a plurality of tie wires or bars for each of said sections, said wires or bars being arranged some upon one and some upon the other of the longitudinal edge portions of said sails, and a speed regulating device whereby said sail sections may be governingly actuated during-the operation of the windmill.

38. In a windmill, in combination, a windwheel comprising a plurality of sail sections operatively mounted and a plurality of sails and tie wires or bars in each of said sections, said sails radiating from a common center and said wires or bars being positioned substantially in arcs of circles concentric with said common center and secured some on one and some on the other of the longitudinal edge portions of all of the sails of their respective sections.

3.). In a windmill, in combination, a sail section comprising a plurality of sails and a plurality of tie wires or bars arranged upon each side of the central plane. of the section,

and means whereby each of the said his: or bars may be rigidly secured to all of tin. sails of the section.

40. In a windmill. in combinulimi. u sail section comprising a plurality of sails. a plurality of tie wires or bars arranged upon each side of said section, and means whereby said wires or bars are secured in pairs ith the wires or bars of each pair to the olipovile longitudinal edge portions of the sails.

41. In a. windmill, in combination. Emil section comprising a. plurality of mil means whereby said sail section i; pivoially mounted as an actuating part of the wheel of the windmill, a pair of tie wire or lill'i: arranged one upon the leeward and the other upon the windward side of said set tion, a sail controlling member secured to both of said wires or bars, and governing mechanism in operative connection with the said controlling member.

42. In a windmill, in combination. a sail section comprising a plurality of sails. with, two sets or series of tie wires or bars one of the said sets or series being to the windward and the other to the leeward of the central plane of the sails of the section, and hinge portions integral with said sails for the pur pose set forth.

43. In a windmill, in combimition. a sail section com rising a plurality t sails and a plurality o tie wires or bars upon each the leeward and windward sides of the central plane of the sails of the section. and means whereby said section may be pivotally anchored and governingly actuated as an inrpelling part of the wheel of the windmill.

44. In a windmill, in combination. a main frame or turntable comprising a pivot portion by means of which it adapted to rotate or oscillate about a vertical axis. a wind wheel, controlling mechanism for said windwheel. a pair of bell-crank levers connected one with the other above said pivot portion, means by which one of said levers may be connected with and adapted to actuate said controlling mechanism, and means extend-- ing below said pivot portion by which both of said levers may be actuated.

45. In a windmill, in combination, a main frame or turntable p ovided with a pivotportion whereby it is adapted to rotate or oscillate about a vertical axis, a windwheel, controlling mechanism for the said windwheel, a pair of bell-erank levers adapted to be actuated one by the other, and means in connection with the said levers and mechanism whereby th said mechanism may be optionally manipulated by a person slationed bel w said pivot portion.

46. In a indmilhin combination, a windwheel, a sdeed regulating device adapted to governingl actuate said windwheel during its rotation a pivoted lever, means whereby said lever ma y be actuated in one direction be actuated in another direction and caused to effect the release of the said device and 4.7. In a, windmilhin combinatiomawindwheel carrying a plurality of sections of pivotally mounted sails, a speed regulating device adapted to governingly actuate all of the sails of said sections during the operation of the said windwheel, mechanism adapted normally to cause the said pivotally mounted sails to be held inactive, and a fan or sail which is adapted in connection with a predetermined force or nelocity of wind to cause the said pivotally mounted sails to go into active service, said fan or sail being so disposed us to stand more squarely to the wirl during the time that said pivotally mounted, are in. their active than whiie they ar in their inactive position.

-13. in a windmill, in combipation, a windwheel. a speed regulating device adapted to governingly actuate said windwheel during its operatioil, n'lechanismacting in conjunction with said device whereby said windwheei is normally held inactive, an arm orpivotcd lever comprising a part of said mechanism and inclined to the wind ward, and another lever pivoted near the wim'lward end of the said arm or pivoted lever and carrying a fan or sail for the purpUrt set forth.

4 in a windmill, in combination. a wind luvsl comprising sail portions that are adapted for active and inactive posi" tions, mechanism adapted to normally hold said sail portions in their inactive positions, a pivoted mast adapted to actuate a part of said mechanism, and a sail carried by and pivotally anchored to said mast.

In a windmill, in combination, a wind- Whecl, nivotall v mounted sail portions constitnting a part of said windwheel, friction or brake mechanism and suitable connections whi'll are normally adapted to cause said sail portions to take their inactive positions, and means in operative connection with brake mechanism whereby a predetermined force or velocity of Wind will cause the said sail portions to take their active positions.

51. In a Windmill, in combination, a sail section comprising a plurality of sails. a plurality of tie or cross bars each of which is rigidly fixed to all of said sails. a tubular pivot portion for said sail section, and a fixed pivot rod pasing through and upon which the said pivot portion is adapted to oscillate.

52. In a windmill. in combination, a main frame or turntable, a windwheel comprising pivotally mounted sail portions, a governor part adapted to normally hold said sail portions in an active position, a controller deviceadapted to normally hold said governor part and sail portions in their inactive ositions, and mechanism responsive to the orce of the wind whereby a. predetermined force or velocity of wind will so actuate said device as to cause the said governor part and sail portions to take active positions.

In a windmill, in combination, a. main frame or turntable comprising an incasement portion and a vertically apertured pivot portion whereby it is adapted to rotate or oscillate about a vertical axis, a 1'0- tatable motor part, a vertically arranged rotatable shaft adapted to operate through the vertical aperture of said pivot portion, gears meshing together and adapted to transmit motion from said motor part to said vertically arranged shaft, andmeans whereby lubricant may be stored and automatically used repeatedly and substantially without wastage in lubricatin the bearing portions of said gears and sai motor part.

54. In a windmill, in combination, a main frame or turntable comprising a Weather proof incasement for; the frictional parts of the main power transmitting elements of the windmill head, a vertically apertured pivot portion by means, of which said turntable is adapted to operate about a vertical axis, a vertically arranged rotatable shaft adapted to operate through the vertical aperture of said pivot portion, an oil reservoir surrounding said shaft-and vertical aperture, and an actuating element attached to the upper end of said shaft for the purpose set forth.

55. In a windmill, in combination, a main frame or turntable comprising a weather proof incasement for the frictional parts of the main power transmitting elements of the windmill head, a vertically apertured; pivot. portion by means of which said turntable is adapted to operate about a vertical axis, a vertically arranged rotatable shaft adapted to operate through the vertical aperture of said pivot portion, an upwardly projecting annular flange in the lower portion of said incahementencompassing said rotatable shaft and forming the retaining walls of an oil reservoir, and a gear wheel secured to the upper part of and adapted to actuate the said vertically arranged rotatable shaft. In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

WILLIAM P. BRETT. Witnesses J. A. MONTGOMERY, S. R. Guru. 

